/* Tech Closet Thermal & Hardware Telemetry - Modern Obsidian Theme */
:root {
  --bg-main: #070a10;
  --bg-card: #0d131f;
  --bg-card-hover: #121a2b;
  --bg-surface: #151d2f;
  --border-subtle: #1c273e;
  --border-focus: #2d3e63;
  --border-accent: #38bdf8;

  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --color-cool: #10b981;
  --color-cool-bg: rgba(16, 185, 129, 0.12);
  --color-warm: #f59e0b;
  --color-warm-bg: rgba(245, 158, 11, 0.12);
  --color-hot: #f97316;
  --color-hot-bg: rgba(249, 115, 22, 0.12);
  --color-crit: #ef4444;
  --color-crit-bg: rgba(239, 68, 68, 0.15);

  --color-cyan: #06b6d4;
  --color-cyan-bg: rgba(6, 182, 212, 0.12);
  --color-indigo: #6366f1;
  --color-indigo-bg: rgba(99, 102, 241, 0.12);
  --color-purple: #a855f7;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 18px;

  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "JetBrains Mono", monospace;
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.45);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  padding-bottom: 60px;
}

.app-container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 24px 24px 48px;
}

/* ==================== HEADER ==================== */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  background: linear-gradient(135deg, rgba(13, 19, 31, 0.95), rgba(18, 26, 43, 0.95));
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  margin-bottom: 16px;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.logo-icon {
  font-size: 2.2rem;
  background: var(--bg-surface);
  width: 54px;
  height: 54px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-focus);
}

.app-header h1 {
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #fff;
}

.subtitle {
  font-size: 0.84rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.solid-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-cool-bg);
  border: 1px solid rgba(16, 185, 129, 0.35);
  color: var(--color-cool);
  font-size: 0.76rem;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 20px;
  letter-spacing: 0.04em;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--color-cool);
  border-radius: 50%;
  animation: pulse-ring 2s infinite cubic-bezier(0.4, 0, 0.6, 1);
}

@keyframes pulse-ring {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.2); }
}

.last-updated {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.btn-refresh {
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border-focus);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-refresh:hover {
  background: var(--border-focus);
  color: #fff;
  border-color: var(--border-accent);
}

/* ==================== SUB NAVIGATION ==================== */
.sub-nav {
  display: flex;
  gap: 10px;
  background: var(--bg-card);
  padding: 10px 16px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  margin-bottom: 24px;
  overflow-x: auto;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: all 0.15s ease;
  white-space: nowrap;
}

.nav-link:hover, .nav-link.active {
  color: #fff;
  background: var(--bg-surface);
  border: 1px solid var(--border-focus);
}

/* ==================== KPI CARDS GRID ==================== */
.kpi-section {
  margin-bottom: 30px;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, border-color 0.2s ease;
  position: relative;
  overflow: hidden;
}

.kpi-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--border-focus);
}

.kpi-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-focus);
}

#kpiAvgCard::before { background: var(--color-cool); }
#kpiHottestCard::before { background: var(--color-warm); }
#kpiDeltaCard::before { background: var(--color-indigo); }
#kpiPowerCard::before { background: var(--color-cyan); }
#kpiFansCard::before { background: var(--color-purple); }

.kpi-label {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.kpi-value {
  font-size: 1.85rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: #fff;
  margin: 6px 0 2px;
}

.kpi-value.warning { color: var(--color-warm); }
.kpi-value.cyan { color: var(--color-cyan); }
.kpi-value.emerald { color: var(--color-cool); }

.kpi-sub {
  font-size: 0.76rem;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ==================== COMMON SECTION HEADERS ==================== */
.section-title-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 10px;
}

.section-title-row h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
}

.section-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 3px;
}

.legend {
  display: flex;
  gap: 14px;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.legend-box {
  width: 10px;
  height: 10px;
  border-radius: 2px;
}

.temp-cool { background-color: var(--color-cool); }
.temp-warm { background-color: var(--color-warm); }
.temp-hot { background-color: var(--color-hot); }
.temp-crit { background-color: var(--color-crit); }

/* ==================== SECTION 1: PHYSICAL DIGITAL TWIN ==================== */
.closet-section {
  margin-bottom: 40px;
}

.cart-frame {
  border: 3px solid #23314d;
  background: #06090e;
  border-radius: var(--radius-xl);
  padding: 16px;
  box-shadow: inset 0 0 40px rgba(0, 0, 0, 0.8), var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.cart-tier {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 16px;
  position: relative;
}

.tier-badge {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.tier-number {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  background: var(--bg-surface);
  color: var(--color-indigo);
  padding: 3px 8px;
  border-radius: 4px;
  border: 1px solid var(--border-focus);
}

.tier-role {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  flex-grow: 1;
}

.tier-temp-pill, .tier-power-pill {
  font-size: 0.78rem;
  font-weight: 700;
  font-family: var(--font-mono);
  padding: 3px 10px;
  border-radius: 12px;
  border: 1px solid transparent;
}

.tier-temp-pill {
  background: var(--color-cool-bg);
  color: var(--color-cool);
  border-color: rgba(16, 185, 129, 0.3);
}

.tier-temp-pill.neutral {
  background: var(--bg-surface);
  color: var(--text-secondary);
  border-color: var(--border-subtle);
}

.tier-power-pill {
  background: var(--color-cyan-bg);
  color: var(--color-cyan);
  border-color: rgba(6, 182, 212, 0.3);
}

/* Shelf Grates / Dividers */
.cart-shelf {
  height: 22px;
  background: repeating-linear-gradient(90deg, #182338, #182338 6px, #0f1726 6px, #0f1726 12px);
  border-top: 2px solid #2d3e63;
  border-bottom: 2px solid #141c2c;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 3px;
}

.shelf-grate-label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #798ea8;
  background: rgba(10, 15, 25, 0.85);
  padding: 1px 12px;
  border-radius: 8px;
}

/* Layouts within Shelves */
.shelf-physical-layout {
  display: flex;
  align-items: stretch;
  gap: 16px;
}

/* Module Base */
.phys-module {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px;
  position: relative;
  transition: all 0.2s ease;
}

.phys-module:hover {
  border-color: var(--border-focus);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.4);
}

.phys-badge-active {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  background: rgba(16, 185, 129, 0.15);
  color: var(--color-cool);
  border: 1px solid rgba(16, 185, 129, 0.3);
  margin-top: 8px;
}

/* Extraction Fans */
.fan-module {
  flex: 0 0 160px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.fan-blades {
  font-size: 2.2rem;
  margin-bottom: 6px;
}

.spin-fast {
  animation: spin-anim 1.2s infinite linear;
}

.spin-medium {
  animation: spin-anim 2.5s infinite linear;
}

@keyframes spin-anim {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.fan-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: #fff;
}

.fan-role-tag {
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* MacBook Pro Module */
.laptop-module {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.laptop-clamshell-badge {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-cyan);
  background: var(--color-cyan-bg);
  padding: 3px 8px;
  border-radius: 4px;
  border: 1px solid rgba(6, 182, 212, 0.3);
  align-self: flex-start;
}

.laptop-visual {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.laptop-screen {
  background: linear-gradient(135deg, #1b2438, #101624);
  border: 1px solid #334366;
  border-radius: 6px;
  padding: 8px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.apple-logo {
  font-size: 1.1rem;
  color: #cbd5e1;
}

.screen-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: #e2e8f0;
}

.laptop-base-cooler {
  background: #0a0e17;
  border: 1px dashed #2d3e63;
  border-radius: 4px;
  padding: 4px 10px;
  font-size: 0.7rem;
  color: var(--color-cool);
}

/* Micro-Sensors Grid */
.module-sensors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 8px;
  margin-top: 4px;
}

.micro-sensor {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 6px 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.ms-label {
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
}

.ms-val {
  font-size: 0.95rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: #fff;
}

.ms-val.highlight-rpm { color: #38bdf8; }
.ms-val.highlight-pwr { color: var(--color-cyan); }

/* Middle Shelf Modules */
.middle-shelf-layout .phys-module {
  flex: 1;
}

.module-title-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
}

.power-sockets-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  margin: 10px 0;
}

.socket-icon {
  background: #080d16;
  border: 1px solid #23314d;
  border-radius: 4px;
  padding: 8px 4px;
  text-align: center;
  font-size: 0.72rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--color-cyan);
}

.power-desc, .switch-desc {
  font-size: 0.74rem;
  color: var(--text-secondary);
}

.switch-ports-row {
  display: flex;
  gap: 8px;
  margin: 10px 0;
}

.port-led {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #10b981;
}

.blink-1 { animation: blink 1.1s infinite ease-in-out; }
.blink-2 { animation: blink 0.7s infinite ease-in-out; }
.blink-3 { animation: blink 1.8s infinite ease-in-out; }

@keyframes blink {
  0%, 100% { opacity: 1; filter: drop-shadow(0 0 4px #10b981); }
  50% { opacity: 0.2; }
}

.big-fan-module {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

/* Bottom Shelf ("Lo Section") */
.bottom-shelf-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr 0.4fr 1.5fr;
  gap: 14px;
}

.server-chassis {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #090e18;
  border: 1px solid #23314d;
  border-radius: 4px;
  padding: 6px 10px;
  margin-bottom: 8px;
}

.thinkcentre-logo {
  font-size: 0.75rem;
  font-weight: 800;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 6px;
}

.tc-dot {
  width: 6px;
  height: 6px;
  background: #ef4444;
  border-radius: 50%;
}

.server-leds {
  display: flex;
  gap: 6px;
}

.srv-led {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.srv-led.power-on { background: #10b981; box-shadow: 0 0 6px #10b981; }
.srv-led.hdd-activity { background: #f59e0b; animation: blink 0.4s infinite ease-in-out; }

/* Phone Module */
.phone-module {
  display: flex;
  flex-direction: column;
}

.usb-cable-visual {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-bottom: 6px;
}

.cable-line {
  height: 2px;
  width: 30px;
  background: #38bdf8;
}

.cable-tag {
  font-size: 0.65rem;
  font-weight: 800;
  color: #38bdf8;
  background: rgba(56, 189, 248, 0.15);
  padding: 1px 4px;
  border-radius: 3px;
}

.phone-screen {
  background: #070c16;
  border: 1px solid #202d47;
  border-radius: 6px;
  padding: 4px 8px;
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 8px;
}

.phone-name {
  font-size: 0.75rem;
  font-weight: 700;
  color: #cbd5e1;
}

.lower-fan-module {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

/* ORICO Enclosure */
.hdd-module {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.hdd-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.hdd-brand {
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: #38bdf8;
}

.hdd-total-cap {
  font-size: 0.72rem;
  font-weight: 700;
  background: var(--bg-card);
  border: 1px solid var(--border-focus);
  padding: 2px 6px;
  border-radius: 4px;
  color: #fff;
}

.hdd-led-row {
  display: flex;
  gap: 6px;
  margin-bottom: 2px;
}

.blue-bay-led {
  width: 14px;
  height: 4px;
  border-radius: 2px;
  background: #38bdf8;
  box-shadow: 0 0 5px #38bdf8;
}

.hdd-bays-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.hdd-bay-row {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
}

.bay-num-badge {
  font-weight: 800;
  color: #38bdf8;
  background: rgba(56, 189, 248, 0.1);
  padding: 2px 6px;
  border-radius: 3px;
  font-family: var(--font-mono);
}

.bay-info {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.bay-model {
  font-weight: 600;
  color: #fff;
}

.bay-mount {
  font-size: 0.68rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.bay-temp {
  font-weight: 800;
  font-family: var(--font-mono);
  padding: 2px 6px;
  border-radius: 4px;
}

/* ==================== SECTIONS 2, 3, 4: MATRICES ==================== */
.matrix-section {
  margin-bottom: 40px;
}

.storage-grid, .fans-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}

.matrix-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
}

.matrix-card:hover {
  border-color: var(--border-focus);
  transform: translateY(-2px);
}

.mc-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.mc-title {
  font-size: 0.88rem;
  font-weight: 700;
  color: #fff;
}

.mc-sub {
  font-size: 0.74rem;
  color: var(--text-muted);
}

.mc-badge {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 12px;
  font-family: var(--font-mono);
}

.mc-badge.temp-cool { background: var(--color-cool-bg); color: var(--color-cool); border: 1px solid rgba(16, 185, 129, 0.3); }
.mc-badge.temp-warm { background: var(--color-warm-bg); color: var(--color-warm); border: 1px solid rgba(245, 158, 11, 0.3); }
.mc-badge.temp-hot { background: var(--color-hot-bg); color: var(--color-hot); border: 1px solid rgba(249, 115, 22, 0.3); }

.mc-details-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.74rem;
  border-top: 1px solid var(--border-subtle);
  padding-top: 8px;
}

.mc-detail-item {
  display: flex;
  justify-content: space-between;
}

.mc-key { color: var(--text-muted); }
.mc-val { font-weight: 600; color: #cbd5e1; font-family: var(--font-mono); }

/* Fan Progress Bar */
.fan-rpm-bar {
  height: 6px;
  background: var(--bg-surface);
  border-radius: 3px;
  overflow: hidden;
  margin-top: 4px;
}

.fan-rpm-fill {
  height: 100%;
  background: linear-gradient(90deg, #10b981, #06b6d4, #f59e0b);
  border-radius: 3px;
  transition: width 0.5s ease;
}

/* Power Overview Grid */
.power-overview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.power-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.pwr-device-name {
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
}

.pwr-val {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--color-cyan);
  font-family: var(--font-mono);
}

.pwr-type {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.pwr-rail-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-top: 1px solid var(--border-subtle);
  padding-top: 8px;
  font-size: 0.72rem;
}

/* ==================== SECTION 5: HISTORICAL ANALYTICS ==================== */
.history-section {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 40px;
}

.history-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 16px;
  gap: 20px;
  flex-wrap: wrap;
}

.header-controls-wrap {
  display: flex;
  gap: 14px;
  align-items: center;
  flex-wrap: wrap;
}

.metric-type-tabs {
  display: flex;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 2px;
}

.btn-metric-tab {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-metric-tab.active {
  background: var(--bg-card);
  color: #fff;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-focus);
}

.time-range-picker {
  display: flex;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 2px;
}

.btn-range {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 6px 10px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-range.active {
  background: var(--border-focus);
  color: #fff;
}

.controls-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  gap: 16px;
  flex-wrap: wrap;
}

.filter-pills-group {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.filter-pill {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 0.74rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 14px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.filter-pill.active {
  background: var(--color-indigo);
  border-color: var(--color-indigo);
  color: #fff;
}

.search-input {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: #fff;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  min-width: 220px;
  outline: none;
}

.search-input:focus {
  border-color: var(--border-accent);
}

.chart-outer-container {
  height: 380px;
  width: 100%;
}

.chart-wrapper {
  position: relative;
  height: 100%;
  width: 100%;
}

/* ==================== SECTION 6: CATALOG & RAW TABLE ==================== */
.catalog-section {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 40px;
}

.catalog-table-wrapper {
  overflow-x: auto;
}

.catalog-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.78rem;
  text-align: left;
}

.catalog-table th {
  background: var(--bg-surface);
  color: var(--text-muted);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 10px 14px;
  border-bottom: 2px solid var(--border-focus);
}

.catalog-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

.catalog-table tr:hover td {
  background: var(--bg-card-hover);
}

.badge-tier {
  font-size: 0.68rem;
  font-weight: 800;
  padding: 2px 6px;
  border-radius: 4px;
  text-transform: uppercase;
}

.badge-tier.top { background: rgba(99, 102, 241, 0.15); color: #818cf8; }
.badge-tier.middle { background: rgba(6, 182, 212, 0.15); color: #22d3ee; }
.badge-tier.bottom { background: rgba(16, 185, 129, 0.15); color: #34d399; }

.val-cell {
  font-weight: 800;
  font-family: var(--font-mono);
  color: #fff;
}

.details-code {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  max-width: 320px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ==================== FOOTER ==================== */
.app-footer {
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-muted);
  padding-top: 20px;
  border-top: 1px solid var(--border-subtle);
}

.footer-sub {
  font-size: 0.7rem;
  margin-top: 4px;
  color: #475569;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1024px) {
  .shelf-physical-layout {
    flex-direction: column;
  }
  .bottom-shelf-layout {
    grid-template-columns: 1fr;
  }
  .fan-module {
    flex: auto;
  }
}

@media (max-width: 768px) {
  .app-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .header-right {
    width: 100%;
    justify-content: space-between;
  }
  .sub-nav {
    display: none;
  }
}